look different 和 look differently 有什么区别

[来自明师圆桌学习的问题]
延吉Sarah： 请问，we look different 还是differently。同事说教材里是differently，所以有点迷茫
山西Helen：得看教材里完整的句子，look different look做感官动词， look differently at ... look 也有做实义动词的时候

[答复]
Helen 老师说的好， 词的用法要看完整的句子。这就是FLT中常说的Teaching vovabulary in context. 也就是我们常说的”语篇中教词汇” 或“语境中教词汇”原则。两个词的用法和含义都不同，可通过两个例句来体会。
Different nationalities [look at life differently]. (对生活的看法不同，对人生有不一样的看法)
These two pictures [look different]in the photo, but in fact they are the same person.（看上去不一样）